In a recent paper by D’Auria et al (2009 Phys. Rev. Lett. 102 020502) we reported the full experimental reconstruction of Gaussian entangled states generated by a type-II optical parametric oscillator (OPO) below threshold using a single homodyne detector. Here we investigate more deeply the Gaussian character of the OPO output addressing the homodyne traces. More precisely, we apply a suitable normality test to check the actual Gaussian distribution of the homodyne data and then we perform the full reconstruction of the signal.
Characterization of bipartite Gaussian states from OPO / V. D'Auria, S. Fornaro, A. Porzio, S. Solimeno, S. Olivares, M. G. A. Paris. - In: PHYSICA SCRIPTA. - ISSN 0031-8949. - T140(2010), pp. 014018.014018.1-014018.014018.4. [10.1088/0031-8949/2010/T140/014018]
Characterization of bipartite Gaussian states from OPO
S. OlivaresPenultimo
;M.G.A. ParisUltimo
2010
Abstract
In a recent paper by D’Auria et al (2009 Phys. Rev. Lett. 102 020502) we reported the full experimental reconstruction of Gaussian entangled states generated by a type-II optical parametric oscillator (OPO) below threshold using a single homodyne detector. Here we investigate more deeply the Gaussian character of the OPO output addressing the homodyne traces. More precisely, we apply a suitable normality test to check the actual Gaussian distribution of the homodyne data and then we perform the full reconstruction of the signal.
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